1428555128040 has 96 divisors (see below), whose sum is σ = 4750776407520. Its totient is φ = 372088773504.

The previous prime is 1428555128023. The next prime is 1428555128059. The reversal of 1428555128040 is 408215558241.

1428555128040 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 55 + 512 + 80 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46126482 + ... + 46157441.

It is an arithmetic number, because the mean of its divisors is an integer number (49487254245).

Almost surely, 2^{1428555128040} is an apocalyptic number.

1428555128040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428555128040 is an abundant number, since it is smaller than the sum of its proper divisors (3322221279480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428555128040 is a wasteful number, since it uses less digits than its factorization.

1428555128040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92283983 (or 92283976 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The spelling of 1428555128040 in words is "one trillion, four hundred twenty-eight billion, five hundred fifty-five million, one hundred twenty-eight thousand, forty".